From: Andi Kleen <ak@suse.de>
Organization: SUSE Linux Products GmbH, Nuernberg, GF: Markus Rex, HRB 16746 (AG Nuernberg)
To: Christoph Hellwig <hch@infradead.org>
Subject: Re: [patch 2/3] CONFIG_HIGHPTE vs. sub-page page tables.
Date: Thu, 3 Jan 2008 14:12:26 +0100
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Cc: schwidefsky@de.ibm.com, akpm@linux-foundation.org,
       linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
       Benjamin Herrenschmidt <benh@kernel.crashing.org>
References: <20071112143009.425807965@de.ibm.com> <20071112144009.831296895@de.ibm.com> <20080102204435.GB15460@infradead.org>
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> Can we please just nuke CONFIG_HIGHPTE?  There's only been a small
> amount of 32bit machines 

It's unfortunately a larger amount :/ And for unknown reasons a lot of
people still install 32bit kernels on new perfectly capable 64bit systems
even if they have a lot of memory.

I don't think removing CONFIG_HIGHPTE will be an option any time soon.

-Andi
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